Method for treating spent caustic streams
US6387348B1 · kind B1 · utility
9Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2000 |
| Grant date | May 14, 2002 |
| Priority date | — |
| Expiry date | Jan 12, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G19/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Sulfur compounds present as sulfides and mercaptans in spent caustic streams from refinery and petrochemical processes are oxidized by contacting them with an oxygen-containing gas in a packed column recycle reactor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.